XGY   Grimsby Mountain, ON Weather Observed At   43-11  N    79-34  W

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2026-06-06	11:30am			Max		Min
Weather		----
Temperature		26.6 °C		26.9 °C	11:08am	17.6 °C	3:34am
Relative Humidity		64 %		93 %	4:33am	63 %	11:12am
Dew Point		19.2 °C		20.6 °C	11:05am	15.0 °C	12:35am
Wind Velocity		220 ° at  4.1 G 9.6 kt		13.0 kt	10:54am
Pressure		29.725 "  ↑		29.843 "	12:01am	29.702 "	8:57am
Rainfall Rate		0.0 mm/h		74.4 mm/h	5:40am
Snow On Ground		0 cm
Brightness / Darkness		918 W/m² /  0.00 m/"²		1007 W/m²	11:08am	18.31 m/"²	12:00am
Remarks

Rainfall	Today	15.6 mm	Storm Total	15.6 mm
Snowfall	Today	0.0 cm	Storm Total	0.0 cm

Evapotranspiration

Today

-1.19 mm

Lake Conditions

Water Temperature  13.3 °C

Waves  1 '

ICE FREE

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Meteor Index	4   Random
Aurora Index / Solar	37   Unsettled   - 4 nT	Solar Flux   141  sfu  /   S 0    G 2    R 1   /  MUF   25.3 MHz

Sunrise	5:40am	Sunset	8:56pm
Moonrise	N/A	Moonset	N/A	Moon Phase	Last Quarter

Grimsby Mountain Weather Maps
Local	Regional	Area	Synoptic
updated H+09 and every 10m	updated H+19 and H+49	updated H+19

Ontario 6-Hour Meteorological Summary

Canadian 6-Hour Meteorological Summaries

CLIMAT Data
Official	Yesterday					2004	2005	2006	2007	2008	2009	Normals & Records
		2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
		2020	2021	2022	2023	2024	2025	2026

Grimsby Mountain Charts

	Sky Quality (Darkness) Meter courtesy of

              

Wx Map	Sat Pix	IR Sat Pix	Radar	Lightning
	Water	Ice

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  This is a privately operated weather station that is part of the Meteorological Service of Canada's official observing network.
Permission to publish the weather statistics found on this website is not required.
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